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5240637 = 321921613
BaseRepresentation
bin10011111111011100111101
3100212020210200
4103333130331
52320200022
6304154113
762354553
oct23773475
910766720
105240637
112a5a406
121908939
13111648c
149a5bd3
156d7bac
hex4ff73d

5240637 has 18 divisors (see below), whose sum is σ = 7994142. Its totient is φ = 3307824.

The previous prime is 5240621. The next prime is 5240639. The reversal of 5240637 is 7360425.

It is a happy number.

5240637 is a `hidden beast` number, since 5 + 24 + 0 + 637 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4691556 + 549081 = 2166^2 + 741^2 .

It is not a de Polignac number, because 5240637 - 24 = 5240621 is a prime.

5240637 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 5240637.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5240639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2443 + ... + 4055.

It is an arithmetic number, because the mean of its divisors is an integer number (444119).

Almost surely, 25240637 is an apocalyptic number.

5240637 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

5240637 is a deficient number, since it is larger than the sum of its proper divisors (2753505).

5240637 is a wasteful number, since it uses less digits than its factorization.

5240637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657 (or 1635 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 5240637 is about 2289.2437615946. The cubic root of 5240637 is about 173.6979500078.

The spelling of 5240637 in words is "five million, two hundred forty thousand, six hundred thirty-seven".

Divisors: 1 3 9 19 57 171 361 1083 1613 3249 4839 14517 30647 91941 275823 582293 1746879 5240637